550403450355 has 16 divisors (see below), whose sum is σ = 960704204544. Its totient is φ = 266862278880.

The previous prime is 550403450329. The next prime is 550403450371. The reversal of 550403450355 is 553054304055.

It is not a de Polignac number, because 550403450355 - 2¹⁵ = 550403417587 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1667889079 + ... + 1667889408.

It is an arithmetic number, because the mean of its divisors is an integer number (60044012784).

Almost surely, 2^550403450355 is an apocalyptic number.

550403450355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550403450355 is a deficient number, since it is larger than the sum of its proper divisors (410300754189).

550403450355 is a wasteful number, since it uses less digits than its factorization.

550403450355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335778506.

The product of its (nonzero) digits is 450000, while the sum is 39.

The spelling of 550403450355 in words is "five hundred fifty billion, four hundred three million, four hundred fifty thousand, three hundred fifty-five".